EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Algebraic Expressions
Grade : CBSE Grade VII
License : Non Commercial Use
Question
1
1.
Which of the following is an irreducible factor of
26
x
4
y
4
z
?
(i)
x
z
2
(ii)
y
4
z
(iii)
x
4
y
4
z
2
(iv)
x
4
y
(v)
x
Question
2
2.
Which of the following algebraic expressions is a constant polynomial?
(i)
4
(ii)
(
8
e
3
−
8
e
+
7
)
(iii)
(
−
8
e
−
8
)
(iv)
(
−
8
e
4
−
6
e
3
+
4
e
2
+
6
e
−
5
)
(v)
(
−
8
e
2
)
Question
3
3.
The value of
(
−
6
r
)
+
(
−
3
r
)
+
(
−
3
r
)
+
(
−
7
r
)
is
(i)
(
−
17
r
)
(ii)
(
−
20
r
)
(iii)
(
−
18
r
)
(iv)
(
−
19
r
)
(v)
(
−
22
r
)
Question
4
4.
The value of
(
−
4
v
w
+
v
−
3
w
)
+
(
−
v
w
x
+
6
v
w
+
2
)
is
(i)
(
−
v
w
x
+
2
v
w
+
v
−
3
w
+
2
)
(ii)
(
−
v
w
x
+
v
−
3
w
+
2
)
(iii)
(
2
v
w
+
v
−
3
w
+
2
)
(iv)
(
−
2
v
w
x
+
2
v
w
+
v
−
3
w
+
2
)
(v)
(
−
v
w
x
+
4
v
w
+
v
−
3
w
+
2
)
Question
5
5.
The value of
(
6
u
−
2
)
+
(
2
u
+
4
)
is
(i)
(
7
u
+
2
)
(ii)
(
6
u
+
2
)
(iii)
(
9
u
+
2
)
(iv)
(
8
u
+
2
)
(v)
(
11
u
+
2
)
Question
6
6.
Which of the following terms can be subtracted from
(
−
k
2
l
2
j
)
?
(i)
(
−
j
2
k
2
l
2
)
(ii)
(
−
9
j
k
2
l
)
(iii)
5
j
2
k
l
(iv)
5
j
k
2
l
2
(v)
(
−
4
j
k
l
2
)
Question
7
7.
The value of
1
2
t
2
u
2
v
2
−
1
4
t
2
u
2
v
2
−
2
3
t
2
u
2
v
2
−
4
5
t
2
u
2
v
2
is
(i)
(
−
71
60
t
2
u
2
v
2
)
(ii)
(
−
73
62
t
2
u
2
v
2
)
(iii)
(
−
73
58
t
2
u
2
v
2
)
(iv)
(
−
5
4
t
2
u
2
v
2
)
(v)
(
−
73
60
t
2
u
2
v
2
)
Question
8
8.
The value of
1
2
g
−
1
3
g
is
(i)
1
4
g
(ii)
1
2
g
(iii)
(
−
1
6
g
)
(iv)
1
8
g
(v)
1
6
g
Question
9
9.
The coefficient of term
a
in polynomial
(
7
a
3
−
4
a
2
+
7
a
+
9
)
is
(i)
6
(ii)
5
(iii)
8
(iv)
7
(v)
10
Question
10
10.
The value of
3
5
n
2
o
2
+
2
3
n
2
o
2
+
1
4
n
2
o
2
+
4
5
n
2
o
2
is
(i)
135
58
n
2
o
2
(ii)
143
62
n
2
o
2
(iii)
47
20
n
2
o
2
(iv)
137
60
n
2
o
2
(v)
139
60
n
2
o
2
Question
11
11.
The value of
8
p
q
−
9
p
q
−
(
−
3
p
q
)
−
(
−
5
p
q
)
is
(i)
7
p
q
(ii)
6
p
q
(iii)
8
p
q
(iv)
9
p
q
(v)
4
p
q
Question
12
12.
Which of the following is not a factor of
19
x
4
y
z
2
?
(i)
x
4
y
z
(ii)
x
3
z
(iii)
x
4
z
2
(iv)
x
3
y
z
2
(v)
x
5
y
2
z
2
Question
13
13.
Which of the following terms can be subtracted from
(
−
3
s
t
u
)
?
(i)
(
−
7
s
)
(ii)
5
s
t
u
(iii)
7
u
(iv)
(
−
3
s
u
)
(v)
3
s
t
Question
14
14.
Which of the following algebraic expressions is a zero polynomial?
(i)
(
−
t
3
u
2
v
2
+
t
u
3
v
3
+
9
u
2
v
3
)
(ii)
(
t
3
u
v
3
+
t
v
2
)
(iii)
6
t
u
2
v
3
(iv)
(
4
t
3
u
−
6
t
3
v
3
+
4
t
u
2
−
t
u
v
)
(v)
0
Question
15
15.
The value of
k
+
2
k
is
(i)
k
(ii)
3
k
(iii)
6
k
(iv)
2
k
(v)
4
k
Question
16
16.
The constant term in polynomial
(
3
f
g
+
7
f
+
14
g
+
6
)
is
(i)
4
(ii)
6
(iii)
9
(iv)
7
(v)
5
Question
17
17.
The sum of the terms
8
,
7
r
,
8
r
,
3
r
,
(
−
2
r
)
is
(i)
(
17
r
+
8
)
(ii)
(
16
r
+
6
)
(iii)
(
16
r
+
8
)
(iv)
(
15
r
+
8
)
(v)
(
16
r
+
10
)
Question
18
18.
The value of
(
−
7
p
3
)
−
8
p
3
is
(i)
(
−
14
p
3
)
(ii)
(
−
12
p
3
)
(iii)
(
−
16
p
3
)
(iv)
(
−
17
p
3
)
(v)
(
−
15
p
3
)
Question
19
19.
Which of the following algebraic expressions is a monomial?
(i)
(
−
8
w
3
x
y
3
−
9
w
x
−
2
x
3
+
9
x
2
y
3
)
(ii)
6
w
3
x
2
y
2
(iii)
(
−
7
w
x
2
y
3
+
7
w
y
3
)
(iv)
(
9
w
3
x
3
y
−
4
w
3
x
2
y
2
+
5
w
2
x
2
y
)
(v)
(
−
7
w
3
y
2
−
9
w
2
x
3
+
6
w
2
y
2
+
9
x
2
y
)
Question
20
20.
The sum of the expressions
(
−
f
−
6
)
,
(
−
5
g
−
8
)
,
(
−
8
f
−
4
g
)
,
(
−
5
f
g
−
3
)
,
(
f
g
−
8
f
)
is
(i)
(
−
4
f
g
−
17
f
−
9
g
−
17
)
(ii)
(
−
5
f
g
−
17
f
−
9
g
−
17
)
(iii)
(
−
4
f
g
−
20
f
−
9
g
−
17
)
(iv)
(
−
3
f
g
−
17
f
−
9
g
−
17
)
(v)
(
−
4
f
g
−
15
f
−
9
g
−
17
)
Question
21
21.
Which of the following is a like term of
(
−
3
f
2
g
h
)
?
(i)
(
−
8
f
g
2
h
)
(ii)
4
f
2
g
h
(iii)
(
−
2
f
h
)
(iv)
(
−
9
g
)
(v)
4
f
Question
22
22.
The value of the polynomial
(
−
5
)
at
k
=
(-4)
,
l
=
(-3)
,
m
=
2
is
(i)
-6
(ii)
-3
(iii)
-7
(iv)
-4
(v)
-5
Question
23
23.
Which of the following terms is a like term of
3
w
2
?
(i)
6
w
3
(ii)
9
(iii)
w
2
(iv)
3
w
4
(v)
(
−
8
w
)
Question
24
24.
The value of
(
−
6
p
2
q
2
r
2
)
−
(
−
6
p
2
q
2
r
2
)
−
5
p
2
q
2
r
2
−
(
−
8
p
2
q
2
r
2
)
is
(i)
2
p
2
q
2
r
2
(ii)
0
(iii)
5
p
2
q
2
r
2
(iv)
3
p
2
q
2
r
2
(v)
4
p
2
q
2
r
2
Question
25
25.
The value of
1
2
y
2
+
3
5
y
2
+
2
5
y
2
is
(i)
3
2
y
2
(ii)
2
y
2
(iii)
5
2
y
2
(iv)
5
4
y
2
(v)
1
2
y
2
Assignment Key
1) (v)
2) (i)
3) (iv)
4) (i)
5) (iv)
6) (iv)
7) (v)
8) (v)
9) (iv)
10) (v)
11) (i)
12) (v)
13) (ii)
14) (v)
15) (ii)
16) (ii)
17) (iii)
18) (v)
19) (ii)
20) (i)
21) (ii)
22) (v)
23) (iii)
24) (iv)
25) (i)
